* function.c (assign_parm_setup_block): When creating a new stack slot

	for a parameter, get its alignment from the parameter's DECL_ALIGN
	rather than the type's TYPE_ALIGN.  Make sure that the parameter
	is at least word aligned.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94104 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 07c5b17..d9fc405 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
+
+       * function.c (assign_parm_setup_block): When creating a new stack slot
+       for a parameter, get its alignment from the parameter's DECL_ALIGN
+       rather than the type's TYPE_ALIGN.  Make sure that the parameter
+       is at least word aligned.
+
 2005-01-22  Roger Sayle  <roger@eyesopen.com>
 
        PR middle-end/19378

diff --git a/gcc/function.c b/gcc/function.c
index 76c1b8e..f0d2ec1 100644 (file)
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -2608,8 +2608,9 @@ assign_parm_setup_block (struct assign_parm_data_all *all,
   size_stored = CEIL_ROUND (size, UNITS_PER_WORD);
   if (stack_parm == 0)
     {
+      DECL_ALIGN (parm) = MAX (DECL_ALIGN (parm), BITS_PER_WORD);
       stack_parm = assign_stack_local (BLKmode, size_stored,
-                                      TYPE_ALIGN (data->passed_type));
+                                      DECL_ALIGN (parm));
       if (GET_MODE_SIZE (GET_MODE (entry_parm)) == size)
        PUT_MODE (stack_parm, GET_MODE (entry_parm));
       set_mem_attributes (stack_parm, parm, 1);